Department of Geology, Groundwater and Georesources Laboratory, Faculty of Sciences and Technology, Abdou Moumouni University of Niamey, Niamey, Niger;
Geosciences Laboratory Paris-Sud (GEOPS), University Paris-Sud (UPS), University Paris-Saclay, Orsay Cedex, France;
Iullemeden; Basin; Continental; Intercalaire/Continental; Hamadien; Niger; Tahoua; Hydrogeology; Hydrodynamics;